class
	DATE

Ancestors
	ABSOLUTE*
	DATE_VALIDITY_CHECKER
	DATE_VALUE

Clients
	DATABASE_DATA [G -> DATABASE create default_create end]
	DATE
	DATE_DURATION
	DATE_SET
	DATE_TIME
	DATE_TIME_CODE_STRING
	DV_TABLEROW_FIELD

Suppliers
	ARRAY [G]
	BOOLEAN
	C_DATE
	DATE
	DATE_DURATION
	DATE_TIME
	DATE_TIME_CODE_STRING
	DURATION*
	INTEGER_32
	INTERVAL [G -> ABSOLUTE]